CN105625189A - Hollow high-pier concrete pouring heat preservation and maintenance system - Google Patents
Hollow high-pier concrete pouring heat preservation and maintenance system Download PDFInfo
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- CN105625189A CN105625189A CN201610046132.7A CN201610046132A CN105625189A CN 105625189 A CN105625189 A CN 105625189A CN 201610046132 A CN201610046132 A CN 201610046132A CN 105625189 A CN105625189 A CN 105625189A
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- concrete
- pier
- hollow
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- pouring area
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to the technical field of construction bridges, in particular to a hollow high-pier concrete pouring heat preservation and maintenance system which can be applied to bridge construction design in a severe cold area. The system comprises a pier bottom bearing platform. A poured concrete hollow section is arranged on the pier bottom bearing platform. Heat preservation shed cloth is arranged on shed frame vertical rods. A heat preservation curtain is laid between a concrete to-be-poured region and the last segment of the poured concrete hollow section and located on the outer side of a formwork lifting frame. A temperature control and humidification warm air furnace is arranged in the hollow portion of the pier bottom and connected with a steam pipeline, a hot air pipeline and a chimney pipeline. By the adoption of the system, the technical problems that when the indoor temperature is below 5 DEG C, the temperature of the pouring environment of hollow high-pier concrete cannot meet the requirement, and high-pier body concrete cannot be constructed in the prior art are solved.
Description
Technical field
The present invention relates to the technical field that builds a bridge, particularly relate to a kind of Hollow High Pier concreting insulated curing system, be specifically related to a kind of Hollow High Pier concreting insulated curing system that can be applicable to severe cold area.
Background technology
In high speed railway construction, most based on Bridge Design, bridge main to be made up of pier shaft, box beam. Bridge pier is divided into solid pier and hollow pier, all designs with hollow pier when pier shaft height is higher than 20 meters of height, all designs with solid pier when pier shaft height is lower than 20 meters of height; Hollow height, in concrete pouring construction, can be constructed when ambient temperature to reach more than 5 DEG C round the clock; In severe cold area owing to temperature is too low, day and night temperature is big, do not reach basic demand during shaft of high pier concreting, it is around high pier, set up steel pipe rack roof insulating in existing construction method, on roof insulating, outside heat-preservation cotton is added geotextiles bedding and is closed, in canopy, pier shaft surrounding arranges stove, by stove, pier shaft surrounding is toasted, and adopts solarization water to carry out humidity maintenance; This heat preserving method, when outdoor temperature reaches subzero less than 5 DEG C, this heat insulating construction method can not meet coagulation and build basic demand, and shaft of high pier concrete cannot be constructed; And, this heat preserving method there is also and takes up room greatly, and material puts into many, and heat insulation effect is poor, potential safety hazard is many, and sealing effectiveness is bad, and heat loss is big, pier shaft internal temperature is not delivered to, and concrete is highly prone to freeze injury, reduces the quality problems such as concrete strength and occurs.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention there is provided a kind of Hollow High Pier concreting insulated curing system, solve prior art when outdoor temperature reaches below 5 DEG C, Hollow High Pier concreting ambient temperature cannot meet requirement, the technical problem that shaft of high pier concrete cannot be constructed.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of Hollow High Pier concreting insulated curing system, comprising:
High pier body, including cushion cap at the bottom of pier; Cushion cap at the bottom of described pier is provided with casting concrete hollow section, hollow position at the bottom of the pier of the described hollow section of casting concrete is provided with import at the bottom of pier, the arranged outside of the described hollow section of casting concrete has the section of building outboard template, and pouring area treated by the concrete that is provided above of the described outboard template of the section of building; The back cord channel-section steel of the described outboard template of the section of building is provided with template builder's jack, described template builder's jack is provided with canopy cloth and props up support arrangement;
Thermal insulating building enclosure, including roof insulating cloth and insulation curtain; Described roof insulating cloth is arranged at described canopy cloth and props up on support arrangement; Described insulation curtain is layed in described concrete and treats described in pouring area and last sections between casting concrete hollow section, and is positioned at the outside of described template builder's jack;
Temperature control humidifying air heating furnace, described temperature control humidifying air heating furnace is arranged at hollow position at the bottom of pier, and described temperature control humidifying air heating furnace is connected to steam pipeline, hot air duct and chimney pipeline;
Concrete conveyance mechanism, concrete conveyance to described concrete is treated pouring area by concrete conveying pipe by described concrete conveyance mechanism.
Wherein, treat that the inner side surrounding of pouring area is provided with at described concrete and treat pouring area inner formword, treat that the outside surrounding of pouring area is treated that the position of pouring area inner formword is provided with and treated pouring area exterior sheathing described in corresponding at described concrete.
Wherein, the described hollow section of casting concrete is divided into multiple sections, is provided with the section of building vent in casting concrete hollow section described in each sections.
Wherein, being respectively arranged with water inlet and steam outlet on described temperature control humidifying air heating furnace, one end of described steam pipeline is connected with described steam outlet by bottom perforated tube, the other end upwardly extend be arranged at described in the section of building vent place.
Wherein, described temperature control humidifying air heating furnace is provided with hot-air mouth, it is wrapped with one layer of fire-retardant heat insulation cotton at described hot air duct, one end of described hot air duct is connected with described hot-air mouth, the other end is through the section of building vent described in last sections, and upwardly extends along the inner side of described insulation curtain.
Wherein, described chimney pipeline upwardly extends along the described hollow section of casting concrete, and is in communication with the outside through roof insulating cloth.
Wherein, space is left described treating between pouring area exterior sheathing and insulation curtain.
Wherein, one end of described concrete conveying pipe is positioned at outside at the bottom of pier, the other end by described in pier shaft first segment the section of building vent enter in hollow pier, and extend upwardly to described concrete and treat the inner side of pouring area.
Wherein, this Hollow High Pier concreting insulated curing system also includes electric warm-air machine, and described electric warm-air machine is arranged at top concrete and treats on the template builder's jack of pouring area.
Wherein, described roof insulating cloth includes setting gradually transparent plastic film, heat-preservation cotton by and colour bar cloth; Described insulation curtain includes the heat-preservation cotton quilt and the colour bar cloth that set gradually.
(3) beneficial effect
The technique scheme of the present invention has the advantages that Hollow High Pier concreting insulated curing system of the present invention can be applicable to severe cold area concrete construction, solve prior art when outdoor temperature reaches below 5 DEG C, Hollow High Pier concreting ambient temperature cannot meet requirement, the technical problem that shaft of high pier concrete cannot be constructed. And, this Hollow High Pier concreting insulated curing system also has with space little, material less investment, high insulating effect, and potential safety hazard is low, good sealing effect, and heat loss is low, and the transmission of pier shaft internal temperature puts in place the advantage such as in time, is beneficial to popularization and application.
Accompanying drawing explanation
Fig. 1 is the facade structures schematic diagram of embodiment of the present invention Hollow High Pier concreting insulated curing system;
Wherein, 1: cushion cap at the bottom of pier; 2: casting concrete hollow section; 3: the section of building outboard template; 4: pouring area treated by concrete; 5: treat pouring area inner formword; 6: treat pouring area exterior sheathing; 7: template builder's jack; 8: frame vertical rod; 9: roof insulating cloth; 10: insulation curtain; 11: the section of building vent; 12: hollow position at the bottom of pier; 13: temperature control humidifying air heating furnace; 14: water inlet; 15: steam outlet; 16: steam pipeline; 17: hot-air mouth; 18: hot air duct; 19: space; 20: chimney pipeline; 21: fire-retardant heat insulation is cotton; 23: concrete conveying pipe; 24: bottom perforated tube; 25: electric warm-air machine.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiments of the present invention are described in further detail. Following example are used for illustrating the present invention, but can not be used for limiting the scope of the present invention.
In describing the invention, it is necessary to explanation, except as otherwise noted, " multiple " are meant that two or more; Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention. Additionally, term " first ", " second ", " the 3rd " etc. are only for descriptive purposes, and it is not intended that indicate or hint relative importance.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary. For the ordinary skill in the art, visual concrete condition understands above-mentioned term concrete meaning in the present invention.
As it is shown in figure 1, a kind of Hollow High Pier concreting insulated curing system that the present embodiment provides, comprising:
High pier body, this high pier body includes cushion cap 1 at the bottom of pier; Cushion cap 1 at the bottom of pier is provided with casting concrete hollow section 2, hollow position 12 at the bottom of the pier of casting concrete hollow section 2 is provided with import at the bottom of pier, the arranged outside of casting concrete hollow section 2 has the section of building outboard template 3, and pouring area 4 treated by the concrete that is provided above of the section of building outboard template 3; The back cord channel-section steel of the section of building outboard template 3 is provided with template builder's jack 7, template builder's jack 7 is provided with canopy cloth and props up support arrangement, preferably, canopy cloth props up support arrangement and includes frame vertical rod 8 and frame activity hack lever, frame activity hack lever is with pulley, when concrete is built from above, can be drawn by side artificial hand drawstring movable pulley at casting concrete and push canopy open; Additionally, concrete treats that pouring area also can be provided with template builder's jack, electric warm-air machine is arranged at top concrete and treats on the template builder's jack of pouring area.
It is also provided with electric warm-air machine 25, by adding hot-air to ensure the air humidity in environment at the top of template builder's jack 7.
Thermal insulating building enclosure, including roof insulating cloth 9 and insulation curtain 10; Roof insulating cloth 9 is arranged on frame vertical rod 8 and frame activity hack lever; Insulation curtain 10 is layed in concrete and treats that pouring area 4 and last sections are between casting concrete hollow section 2 (can be understood as the hollow section of casting concrete 2 topmost), and insulation curtain 10 is positioned at the outside of template builder's jack 7;
Temperature control humidifying air heating furnace 13, temperature control humidifying air heating furnace 13 is arranged at hollow position 12 at the bottom of pier, and temperature control humidifying air heating furnace 13 is connected to steam pipeline 16, hot air duct 18 and chimney pipeline 20; The position that specifically arranges as steam pipeline 16, hot air duct 18 and chimney pipeline 20 is not limited to, can according to actually required flexible setting.
Concrete conveyance mechanism, concrete conveyance to concrete is treated pouring area 4 by concrete conveying pipe 23 by concrete conveyance mechanism.
Visible, the present embodiment Hollow High Pier concreting insulated curing system can be applicable to the severe cold area that day and night temperature is big. When outdoor temperature reaches subzero less than 5 DEG C, also meeting coagulation and build basic demand, also have with space little simultaneously, material less investment, high insulating effect, potential safety hazard is low, good sealing effect, and heat loss is low, and the transmission of pier shaft internal temperature puts in place the advantage such as in time.
Specifically, treat that the inner side surrounding of pouring area 4 is provided with at concrete and treat pouring area inner formword 5, treat that at concrete the outside surrounding of pouring area 4 treats pouring area exterior sheathing 6 corresponding to treating that the position of pouring area inner formword 5 is provided with. And, treating pouring area exterior sheathing 6 and be incubated between curtain 10 and leave space 19. By treating that at concrete the relevant position of pouring area 4 arranges thermal insulating building enclosure (roof insulating cloth 9 and insulation curtain 10), making heat not easily scatter and disappear, high insulating effect, so that concrete is not easily susceptible to freeze injury.
Wherein, this casting concrete hollow section 2 be divided into multiple sections, and on each sections casting concrete hollow section 2, be provided with the section of building vent 11.
For temperature control humidifying air heating furnace 13: be respectively arranged with water inlet 14 and steam outlet 15 on temperature control humidifying air heating furnace 13, one end of steam pipeline 16 is connected with steam outlet 15 by bottom perforated tube 24, and the other end upwardly extends and is arranged at the section of building vent 11 place. As shown in Figure 1, it is respectively provided on two sides with steam pipeline 16 at temperature control humidifying air heating furnace 13, the inner side that casting concrete hollow section 2 is close to respectively by two steam pipelines 16 upwardly extends, it may be preferable to extend to the vent 11 of the section of building the place of penultimate stage. Certainly, this is one preferably mode, and other set-up modes fall within protection scope of the present invention.
Additionally, be provided with hot-air mouth 17 on temperature control humidifying air heating furnace 13, hot air duct 18 is enclosed with one layer of fire-retardant heat insulation cotton 21; One end of hot air duct 18 is connected with hot-air mouth 17, and the other end is through last sections section of building vent 11, and upwardly extends along the inner side being incubated curtain 10. As it is shown in figure 1, hot air duct 18 equally possible be two, the center respectively along casting concrete hollow section 2 upwardly extends, and through continuing to upwardly extend after last sections section of building vent 11, is used for providing hot blast.
Meanwhile, chimney pipeline 20 upwardly extends along casting concrete hollow section 2, it is preferable that extend on the alignment of Ke Yanqi center; And, chimney pipeline 20 is upward through roof insulating cloth 9 and is in communication with the outside.
And, setting for concrete conveying pipe 23 can also be varied, specifically: one end of concrete conveying pipe 23 is positioned at outside at the bottom of pier, the other end by described in pier shaft first segment the section of building vent enter in hollow pier, and extend upwardly to concrete and treat the inner side of pouring area 4, for concrete conveyance to concrete is treated pouring area 4.
Preferably, roof insulating cloth 9 includes setting gradually transparent plastic film, heat-preservation cotton by and colour bar cloth; Insulation curtain 10 includes the heat-preservation cotton quilt and the colour bar cloth that set gradually. High insulating effect, draws materials conveniently, low cost of manufacture.
Certainly, on the basis of above-described embodiment, those skilled in the art also can deform and suitability amendment further. Can illustrate, in order to monitor the temperature of internal medium better, attemperating unit can be increased; Or, for the humidity of internal medium better, humidity detector also can be increased; Certainly, the construction equipment of necessity is also included, for instance illuminator, this illuminator can adopt power supply to power or wind power generation or solar electrical energy generation etc., and other construction equipments no longer repeat one by one, can arrange flexibly according to practical situation.
In sum, Hollow High Pier concreting insulated curing system of the present invention can be applicable to severe cold area concrete construction, solve prior art when outdoor temperature reaches below 5 DEG C, Hollow High Pier concreting ambient temperature cannot meet requirement, the technical problem that shaft of high pier concrete cannot be constructed. And, this Hollow High Pier concreting insulated curing system also has with space little, material less investment, high insulating effect, and potential safety hazard is low, good sealing effect, and heat loss is low, and the transmission of pier shaft internal temperature puts in place the advantage such as in time, is beneficial to popularization and application.
Embodiments of the invention provide for example with for the purpose of describing, and are not exhaustively or limit the invention to disclosed form. Many modifications and variations are apparent from for the ordinary skill in the art. Selecting and describing embodiment is in order to principles of the invention and practical application are better described, and makes those of ordinary skill in the art it will be appreciated that the present invention is thus design is suitable to the various embodiments with various amendments of special-purpose.
Claims (10)
1. a Hollow High Pier concreting insulated curing system, it is characterised in that including:
High pier body, including cushion cap at the bottom of pier; Cushion cap at the bottom of described pier is provided with casting concrete hollow section, hollow position at the bottom of the pier of the described hollow section of casting concrete is provided with import at the bottom of pier, the arranged outside of the described hollow section of casting concrete has the section of building outboard template, and pouring area treated by the concrete that is provided above of the described outboard template of the section of building; The back cord channel-section steel of the described outboard template of the section of building is provided with template builder's jack, described template builder's jack is provided with canopy cloth and props up support arrangement;
Thermal insulating building enclosure, including roof insulating cloth and insulation curtain; Described roof insulating cloth is arranged at described canopy cloth and props up on support arrangement; Described insulation curtain is layed in described concrete and treats described in pouring area and last sections between casting concrete hollow section, and is positioned at the outside of described template builder's jack;
Temperature control humidifying air heating furnace, described temperature control humidifying air heating furnace is arranged at hollow position at the bottom of pier, and described temperature control humidifying air heating furnace is connected to steam pipeline, hot air duct and chimney pipeline;
Concrete conveyance mechanism, concrete conveyance to described concrete is treated pouring area by concrete conveying pipe by described concrete conveyance mechanism.
2. Hollow High Pier concreting insulated curing system according to claim 1, it is characterized in that, treat that the inner side surrounding of pouring area is provided with at described concrete and treat pouring area inner formword, treat that the outside surrounding of pouring area is treated that the position of pouring area inner formword is provided with and treated pouring area exterior sheathing described in corresponding at described concrete.
3. Hollow High Pier concreting insulated curing system according to claim 1, it is characterised in that the described hollow section of casting concrete is divided into multiple sections, is provided with the section of building vent in casting concrete hollow section described in each sections.
4. Hollow High Pier concreting insulated curing system according to claim 3, it is characterized in that, described temperature control humidifying air heating furnace is respectively arranged with water inlet and steam outlet, one end of described steam pipeline is connected with described steam outlet by bottom perforated tube, the other end upwardly extend be arranged at described in the section of building vent place.
5. Hollow High Pier concreting insulated curing system according to claim 3, it is characterized in that, described temperature control humidifying air heating furnace is provided with hot-air mouth, it is wrapped with one layer of fire-retardant heat insulation cotton at described hot air duct, one end of described hot air duct is connected with described hot-air mouth, the other end is through the section of building vent described in last sections, and upwardly extends along the inner side of described insulation curtain.
6. Hollow High Pier concreting insulated curing system according to claim 3, it is characterised in that described chimney pipeline upwardly extends along the described hollow section of casting concrete, and be in communication with the outside through roof insulating cloth.
7. Hollow High Pier concreting insulated curing system according to claim 2, it is characterised in that leave space between pouring area exterior sheathing and insulation curtain described treating.
8. Hollow High Pier concreting insulated curing system according to claim 1, it is characterized in that, one end of described concrete conveying pipe is positioned at outside at the bottom of pier, the other end by described in pier shaft first segment the section of building vent enter in hollow pier, and extend upwardly to described concrete and treat the inner side of pouring area.
9. Hollow High Pier concreting insulated curing system according to claim 1, it is characterised in that also including electric warm-air machine, described electric warm-air machine is arranged at top concrete and treats on the template builder's jack of pouring area.
10. Hollow High Pier concreting insulated curing system according to claim 1, it is characterised in that described roof insulating cloth includes the transparent plastic film, heat-preservation cotton quilt and the colour bar cloth that set gradually; Described insulation curtain includes the heat-preservation cotton quilt and the colour bar cloth that set gradually.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046132.7A CN105625189B (en) | 2016-01-25 | 2016-01-25 | Hollow high pier concrete placement heat preservation maintenance system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046132.7A CN105625189B (en) | 2016-01-25 | 2016-01-25 | Hollow high pier concrete placement heat preservation maintenance system |
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| CN105625189A true CN105625189A (en) | 2016-06-01 |
| CN105625189B CN105625189B (en) | 2020-05-15 |
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Cited By (3)
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| CN106381811A (en) * | 2016-09-18 | 2017-02-08 | 青岛林川工程技术咨询有限公司 | Equipment for insulating and curing pier column concrete in low-temperature seasons |
| CN106522106A (en) * | 2016-12-22 | 2017-03-22 | 中交路桥华南工程有限公司 | Steam curing system for high tower |
| CN112813805A (en) * | 2021-01-06 | 2021-05-18 | 四川路桥盛通建筑工程有限公司 | Construction method of variable-section thin-wall hollow high pier of stiff framework |
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| CN204492195U (en) * | 2015-01-15 | 2015-07-22 | 中铁十局集团建筑工程有限公司 | Concrete pier shaft curing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106381811A (en) * | 2016-09-18 | 2017-02-08 | 青岛林川工程技术咨询有限公司 | Equipment for insulating and curing pier column concrete in low-temperature seasons |
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| CN112813805A (en) * | 2021-01-06 | 2021-05-18 | 四川路桥盛通建筑工程有限公司 | Construction method of variable-section thin-wall hollow high pier of stiff framework |
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|---|---|
| CN105625189B (en) | 2020-05-15 |
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